YO

Yoshiaki Oikawa

KC Kyodo Yushi Co.: 2 patents #42 of 191Top 25%
Overall (All Time): #2,256,776 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5710112 Lubricant composition Ko Yaegashi, Hiroshi Kamiyashiki, Hiroshi Kimura 1998-01-20
4434063 Lubricant compositions Hachiro Kageyama, Tsutomu Moriuchi 1984-02-28